The ingredients in each gummy of Z-Flu weren't chosen at random – they were chosen specifically for their natural abilities which may help support your immune system and provide natural defenses when you need it most.
Z-Flu was developed with real, all-natural ingredients.
Z-Flu was developed with real, all-natural ingredients.
The ingredients in each gummy of Z-Flu weren't chosen at random – they were chosen specifically for their natural abilities which may help support your immune system and provide natural defenses when you need it most.
Explore the natural ingredients in Z-Flu
Vitamin C (click to expand)
Vitamin C has been shown to play a complex, protective role against toxic compounds formed from oxidized lipids and may support overall immune health.
Vitamin D3
Vitamin D has been shown to increase intestinal calcium and phosphate absorption in the body.
Zinc
Zinc is a nutrient found throughout your body that may support your immune system and metabolic function. Studies have shown that if zinc supplementation is started within 24 hours of cold or flu symptoms starting, it may help decrease severity of symptoms.
Quercetin
Quercetin may promote a healthy inflammatory response. This nutrient may help your body better absorb and utilize vital nutrients like Vitamin C.
Elderberry
Packed with antioxidants, elderberry may support the immune system.
Making sure your body takes in enough elemental zinc into the cells has always been at the forefront of Dr. Zelenko's philosophy to boosting immune defenses.
Kids Z-Stack was developed with real, all-natural ingredients.
The ingredients in each gummy of Kids Z-Stack weren't chosen at random – they were chosen specifically for their natural ability to help support the immune system and provide natural defenses when you need it most.
Explore the natural ingredients in Kids Z-Stack
Vitamin C (click to expand)
Vitamin C has been shown to play a complex, protective role against toxic compounds formed from oxidized lipids and may support overall immune health.
Vitamin D3
Vitamin D has been shown to increase intestinal calcium and phosphate absorption in the body.
Zinc
Zinc Sulfate has 23% elemental zinc which is the form that our body uses to create DNA, generate new cells, build proteins, heal damaged tissue, and has been shown to support the immune system.
Quercetin
Quercetin may promote a healthy inflammatory response. This nutrient may help your body better absorb and utilize vital nutrients like Vitamin C.
Experience Dr. Zelenko's premier care backed immunity supplemement – now made just for kids! Use Kids Z-Stack for daily prevention and for that extra boost of immune support when you need it most.
Our original pineapple flavored kids gummy is the top choice for parents around the world, allowing you to provide immune support from ages 3 and up.
Plus your kids will love our new exciting flavors, including fruit punch and strawberry – and, of course, original pineapple.
The Zelenko Way
Free shipping on all orders
All Zelenko products feature fast, free shipping on all orders because we know how important it is to stay healthy.
Quality guaranteed
Dr. Zelenko built his legacy on the same products that bear his name to this day. Zelenko Labs stands behind its products with a 100% satisfaction guarantee.
Kosher, vegetarian, and gluten-free
Z-Sleep was formulated to be safe, healthy, and taken by people from all walks of life.